Generic pharmaceutical manufacturer Lannett Co. Inc. has appointed its longtime outside lawyer to serve as chief legal officer and general counsel.

Samuel Israel will leave Fox Rothschild to continue counseling the company from an in-house position, Philadelphia-based Lannett announced Monday. Israel was a commercial litigation partner at Fox Rothschild and chairman of the firm’s pharmaceutical and biotechnology practice. He joined the firm in 1991, and served as Lannett’s outside GC for 19 years.